National 8121S Oil Seal — SKF/CR Equivalent
| SKF / CR Part No. | Catalog Source |
|---|---|
| 17110 | Verified in both SKF 457012 & National 430i catalogs |
| Dimension | Metric (mm) | Inch |
|---|---|---|
| Shaft diameter | 43.94 | 1.73 |
| Housing bore | 59.33 | 2.336 |
| Seal O.D. | 59.44 | 2.34 |
| Width | 11.94 | 0.47 |
Size 43.94 × 59.33 × 11.94 mm (1.73 × 2.336 × 0.47 in), lip material code N — from the National 430i catalog. Always confirm shaft diameter, bore diameter and width against your application before ordering.
Verify dimensions before ordering. Interchange numbers mean the same shaft/bore application, but lip material, spring design or width can differ between brands. Metric sizes can be checked on our oil seal size chart.
Need this seal? Email sales@sealstocks.com with part number National 8121S for stock & pricing. Factory direct, global shipping.